I have checked attached file. The file contains newer CGM format version which is not supported by our parser. So unfortunately this is not a bug and we cannot fixing it. It's just request to improve CGM format support.
Regards,

I've looking to use this to convert CGM files and trace this issue to the program not being able to find the fonts. How should the fonts and font directories be set-up? The font directory under share is empty with only a place-holder file.

I would recommend you waiting for UniConvertor 1.1.5 for Windows. We have resolved this issue for win32/64 versions. Now UniConvertor detects win system fonts using registry.

Unfortunately windows build is not a simple task so I wouldn't recommend building yourself from trunk source code. UniConvertor release will be soon. We are going to announce the release on next week on LGM2010 conference.
Regards,